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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2012  >  12(3): 28-36
WANG Li-feng, XIAO Zi-wang, ZHANG Zhen-wei, JIA Yan-min, SUN Yong. Construction risk analysis of butterfly arch continuous girder bridge with large angle V-shaped pier[J]. Journal of Traffic and Transportation Engineering, 2012, 12(3): 28-36. doi: 10.19818/j.cnki.1671-1637.2012.03.005
Citation: WANG Li-feng, XIAO Zi-wang, ZHANG Zhen-wei, JIA Yan-min, SUN Yong. Construction risk analysis of butterfly arch continuous girder bridge with large angle V-shaped pier[J]. Journal of Traffic and Transportation Engineering, 2012, 12(3): 28-36. doi: 10.19818/j.cnki.1671-1637.2012.03.005
shu

Construction risk analysis of butterfly arch continuous girder bridge with large angle V-shaped pier

doi: 10.19818/j.cnki.1671-1637.2012.03.005

  • School of Civil Engineering, Northeast Forestry University, Harbin 150040, Heilongjiang, China

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  • Author Bio:

    WANG Li-feng (1971-), male, associate professor, doctoral student, +86-451-82191545, computerwlf@126.com

    JIA Yan-min (1962-), female, professor, PhD, +86-451-82191377, yanminjia2008@126.com

  • Received Date: 2011-12-28
  • Publish Date: 2012-06-25
    Abstract
  • The risk analysis problem of bridge construction was studied based on HGMFN comprehensive evaluation method, and a practical approach was proposed for V-shaped pier in construction process.The highest risk factor in V-shaped pier construction was confirmed by using AHP and grey theory, and construction plan comparison was carried out.Numerical simulation of stress state for V-shaped pier was done by using ANSYS software.Risk factor analysis was carried out on the basis of Monte Carlo theory and radial basis function artificial neural network technology.Analysis result indicates that when the simulation of structural stress state is more than two million times, the connection between V-shaped pier top and main beam has 8.5% higher failure risk than root of slant leg, which is the main structure failure risk location.HGMFN comprehensive evaluation method can analyze risk factors quantitatively, and has higher risk analysis accuracy and efficiency.

     

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